commit 903ebb22aaa2dadbfc6cebe7009da71317eb5504
author Andrew Geissler <geissonator@yahoo.com> Thu Nov 17 16:07:12 2022 -0600
committer Andrew Geissler <andrew@geissonator.com> Wed Nov 30 21:39:54 2022 +0000
tree ddd97748d9818e7a48ad1278781c3f1a7a333f17
parent 8e43efe72cf9fa890d9477765f0df5fc1d21f6ee

dbus-unit-test.py: use /tmp for temporary files

Recently saw this fail starting to pop up via internal CI:
  dbus-daemon[7]: Failed to start message bus: Socket name too long

The issue appears to be that the jenkins workspace, and the
corresponding socket file passed to the dbus-daemon, is too long.

As this is all running within its own docker container, just use /tmp/
as a base for the temporary files and corresponding socket file.

Tested:
- Verified failing jenkins CI job now passes

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I5ef5b2f21c9780001b5ec38921ce3b20f1610e2d